Power to Fly -- Aircraft Propulsion

This completes the aviationfactfile Smashwords Editions on the Origins of Flight this edition dealing with the development of the aero-engine from the steam engines for the airships the Wright engines the famous French 50hp Antoinette the rotary and in-line piston engines to the turbo-jets turbo-props R-R VTOL 'Flying Bedstead', rocket motors for spacecraft. One the aero-engine buffs GE P&W R-R.